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American Holly

Ilex opaca, Aquifoliaceae

Zones
5–9
Layer
Understory
Lifespan
Perennial
Growth
Slow

Guild Roles

Beneficial Insect Habitat

Growing Conditions

Sun

Partial Shade (optimal)

Water

Moderate

Soil pH

5 – 6

Tolerances

Drought
Frost
Heat
Pest Resistance
Disease Resist.

Companion Plants

WintergreenGaultheria procumbens
Shade ProvisionBeneficial Insect Habitat
Southern MagnoliaMagnolia grandiflora
Shade ProvisionBeneficial Insect HabitatPollinator Sharing

Antagonistic Plants

Yerba MateIlex paraguariensis

Holly species with different origins but similar allelopathic properties compete for resources

Japanese HollyIlex crenata

Two holly species with similar root systems and light requirements compete for resources when planted in proximity

Chinese HollyIlex cornuta

Holly species with overlapping ecological niches compete for soil nutrients and growing space

Common Questions

What zones does American Holly grow in?

American Holly grows in USDA hardiness zones 5 through 9.

What are good companion plants for American Holly?

Good companions for American Holly include Wintergreen, Southern Magnolia.

Design guilds with American Holly and see companion relationships visually.

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